Iron Mine

Level	Wood	Stone	Iron	Food	People	Time	Benefit	Prereqs	Verified
1	60	60	30	70	1	0:08	40 Output (5.5 hours to recoup used resources)		Yes
2	85	85	40	100	1	1:42	60 Output (15.5 hours to recoup used resources)		Yes
3	120	120	60	140	1	3:09	95 Output (12.6 hours to recoup used resources)		Yes
4	170	170	85	200	1	4:33	130 Output (17.9 hours to recoup used resources)		Yes
5	245	245	120	290	1	6:39	170 Output (22.5 hours to recoup used resources)		Yes
6	345	345	175	405	1	19:12	220 Output (25.4 hours to recoup used resources)	City Hall level 2	Yes
7	490	490	245	580	1	27:54	275 Output (32.8 hours to recoup used resources)		Yes
8	700	700	350	815	1	40:24	340 Output (39.5 hours to recoup used resources)		Yes
9	990	990	500	1150	1	58:36	420 Output (45.4 hours to recoup used resources)	City Hall level 3	Yes
10	1400	1400	705	1650	1	1:25:00	505 Output (60.6 hours to recoup used resources)		Yes
11	2000	2000	1000	2350	1	1:42:45	610 Output (70.0 hours to recoup used resources)		Yes
12	2850	2850	1420	3300	1	2:28:55	730 Output (86.8 hours to recoup used resources)		Yes
13	4000	4000	2015	4700	1	2:52:44	870 Output (105.1 hours to recoup used resources)		Yes
14	5750	5750	2850	6690	1	4:10:32	1030 Output (131.5 hours to recoup used resources)		Yes
15	8100	8100	4050	9500	1	6:03:12	1210 Output (165.3 hours to recoup used resources)	City Hall level 4	Yes
16	11500	11500	5780	13500	2	45440	1420 Output (201.3 hours to recoup used resources)		No
17	16400	16400	8200	19200	2	60032	1660 Output (250.8 hours to recoup used resources)		No
18	23300	23300	11500	27100	2	79061	1930 Output (315.6 hours to recoup used resources)		No
19	33000	33000	16500	38570	2	103859	2240 Output (390.5 hours to recoup used resources)		No
20	47000	47000	23500	54750	2	136157	2600 Output (478.5 hours to recoup used resources)		No
21	66650	66650	33350	77780	2	178204	3000 Output (611.1 hours to recoup used resources)		No
22	94500	94500	47300	110500	2	232926	3460 Output (753.9 hours to recoup used resources)		No
23	134500	134500	67200	157000	2	304123	3980 Output (948.5 hours to recoup used resources)		No
24	190800	190800	95450	222700	2	396740	4570 Output (1186.0 hours to recoup used resources)		No
25	271000	271000	135500	316200	2	517202	5250 Output (1461.3 hours to recoup used resources)		No
26	395000	395000	192500	449000	3	673863	6000 Output (1908.7 hours to recoup used resources)		No
27	546500	546500	273300	637500	3	877582	6850 Output (2357.4 hours to recoup used resources)		No
28	776100	776100	388000	905500	3	1142476	7830 Output (2903.8 hours to recoup used resources)		No
29	1102000	1102000	551000	1286000	3	1486899	8920 Output (3707.3 hours to recoup used resources)		No
30	1565000	1565000	783000	1825000	3	1934709	10150 Output (4665.0 hours to recoup used resources)		No